Revert "Move mojo edk into mojo/edk"

mojo/embedder/platform_handle_utils.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
-#define MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
+#ifndef MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
+#define MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
 
-#include "mojo/edk/embedder/platform_handle.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/system_impl_export.h"
+#include "mojo/embedder/platform_handle.h"
+#include "mojo/embedder/scoped_platform_handle.h"
+#include "mojo/system/system_impl_export.h"
 
 namespace mojo {
 namespace embedder {
 
 // Closes all the |PlatformHandle|s in the given container.
 template <typename PlatformHandleContainer>
 MOJO_SYSTEM_IMPL_EXPORT inline void CloseAllPlatformHandles(
     PlatformHandleContainer* platform_handles) {
   for (typename PlatformHandleContainer::iterator it =
            platform_handles->begin();
        it != platform_handles->end();
        ++it)
     it->CloseIfNecessary();
 }
 
 // Duplicates the given |PlatformHandle| (which must be valid). (Returns an
 // invalid |ScopedPlatformHandle| on failure.)
 MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle
     DuplicatePlatformHandle(PlatformHandle platform_handle);
 
 }  // namespace embedder
 }  // namespace mojo
 
-#endif  // MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
+#endif  // MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_